Statements (16)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:protostar
                                        
                                         | 
                            
| gptkbp:associatedWith | 
                                    
                                        
                                            
                                            star formation region
                                        
                                        
                                         | 
                            
| gptkbp:cataloguedIn | 
                                    
                                        
                                            gptkb:NGC_7538
                                        
                                         | 
                            
| gptkbp:discoveredBy | 
                                    
                                        
                                            
                                            James M. De Buizer
                                        
                                        
                                         | 
                            
| gptkbp:discoveredIn | 
                                    
                                        
                                            
                                            2002
                                        
                                        
                                         | 
                            
| gptkbp:distanceFromEarth | 
                                    
                                        
                                            
                                            ~9,100 light-years
                                        
                                        
                                         | 
                            
| gptkbp:emits | 
                                    
                                        
                                            
                                            infrared radiation
                                        
                                        
                                         | 
                            
| gptkbp:locatedIn | 
                                    
                                        
                                            gptkb:NGC_7538
                                        
                                         gptkb:constellation_Cepheus  | 
                            
| gptkbp:mass | 
                                    
                                        
                                            
                                            ~40 times the mass of the Sun
                                        
                                        
                                         | 
                            
| gptkbp:notableFor | 
                                    
                                        
                                            
                                            one of the largest known protostars
                                        
                                        
                                         | 
                            
| gptkbp:outflow | 
                                    
                                        
                                            
                                            bipolar molecular outflow
                                        
                                        
                                         | 
                            
| gptkbp:surroundedBy | 
                                    
                                        
                                            
                                            accretion disk
                                        
                                        
                                         | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:NGC_7538
                                        
                                         | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            8
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            giant protostar NGC 7538 S
                                        
                                        
                                         |